From c71e97bfaadfa727669fcfcf12301744fd169091 Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Mon, 13 Dec 2010 21:07:07 +0200 Subject: Bluetooth: Add management events for controller addition & removal This patch adds Bluetooth Management interface events for controller addition and removal. The events correspond to the existing HCI_DEV_REG and HCI_DEV_UNREG stack internal events. Signed-off-by: Johan Hedberg Acked-by: Marcel Holtmann Signed-off-by: Gustavo F. Padovan --- net/bluetooth/hci_core.c | 2 ++ net/bluetooth/mgmt.c | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) (limited to 'net/bluetooth') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 51c61f75a797..1a4ec97d5ac4 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -960,6 +960,7 @@ int hci_register_dev(struct hci_dev *hdev) } } + mgmt_index_added(hdev->id); hci_notify(hdev, HCI_DEV_REG); return id; @@ -989,6 +990,7 @@ int hci_unregister_dev(struct hci_dev *hdev) for (i = 0; i < NUM_REASSEMBLY; i++) kfree_skb(hdev->reassembly[i]); + mgmt_index_removed(hdev->id); hci_notify(hdev, HCI_DEV_UNREG); if (hdev->rfkill) { diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index d6c5a32de0b6..f827fd908380 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -265,3 +265,44 @@ done: kfree(buf); return err; } + +static int mgmt_event(u16 event, void *data, u16 data_len) +{ + struct sk_buff *skb; + struct mgmt_hdr *hdr; + + skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + bt_cb(skb)->channel = HCI_CHANNEL_CONTROL; + + hdr = (void *) skb_put(skb, sizeof(*hdr)); + hdr->opcode = cpu_to_le16(event); + hdr->len = cpu_to_le16(data_len); + + memcpy(skb_put(skb, data_len), data, data_len); + + hci_send_to_sock(NULL, skb); + kfree_skb(skb); + + return 0; +} + +int mgmt_index_added(u16 index) +{ + struct mgmt_ev_index_added ev; + + put_unaligned_le16(index, &ev.index); + + return mgmt_event(MGMT_EV_INDEX_ADDED, &ev, sizeof(ev)); +} + +int mgmt_index_removed(u16 index) +{ + struct mgmt_ev_index_added ev; + + put_unaligned_le16(index, &ev.index); + + return mgmt_event(MGMT_EV_INDEX_REMOVED, &ev, sizeof(ev)); +} -- cgit v1.2.3